Browsing by Author "García-Vallès, Maite"
Now showing items 1-20 of 35
-
A survey to analyze the learning of geology in the Compulsory Secondary Education system of Catalonia (Spain)
(2021-11-29)
Article
Open Access -
Breakage function for HPGR: mineral and mechanical characterization of tantalum and tungsten ores
(2018-04-20)
Article
Open AccessThe modelling of high pressure grinding rolls is described by the population balance model, a mass balance which includes several functions that are related to the mineral characteristics, material kinetics and operative ... -
Calcium phosphate glasses: Silanation process and effect on the bioactivity behavior of Glass-PMMA composites
(2014-02-01)
Article
Restricted access - publisher's policyThis article presents the results of a study of the efficiency of silanation process of calcium phosphate glasses particles and its effect on the bioactivity behavior of glass- poly(methyl methacrylate) (PMMA) composites. ... -
Fabrication of glass-based products as remediation alternative for contaminated urban soils of Barcelona
(2021-12-15)
Article
Open Access -
Fabrication of glass-based products as remediation alternative for contaminated urban soils of Barcelona
(2021)
Conference lecture
Open Access -
Fe in P-doped basaltic melts: a Mössbauer spectroscopy study
(2018-10-01)
Article
Open AccessThe addition of P to a basalt causes a change in the environment of Fe. At low P contents iron is located in the glass structure and the Fe3+/Fe2+ ratio is about 80/20. Further addition of P causes a collapse of the glass ... -
Glass-ceramic crystallization from tailings of the Morille tungsten deposit, Spain
(2022-04)
Article
Open Access -
Kaolin from Acoculco (Puebla, Mexico) as raw material: mineralogical and thermal characterization
(2015-08)
Article
Open Access -
Liberation characteristics of Ta–Sn ores from Penouta, NW Spain
(2020-05-31)
Article
Open AccessThe strategic importance of tantalum and its scarcity in Europe makes its recovery fromlow grade deposits and tailings interesting. In Penouta, the contents of Ta and Sn in old tailingsfrom an Sn mine are of economic ... -
Mineral assemblages in the tin (-indium) Santa Fe mining district, Bolivia
(2016)
Conference lecture
Open Access
Covenantee: Universidad Técnica de Oruro / Universidad Nacional Autónoma de México / Universitat de BarcelonaThe Santa Fe Mining District (SFD) is located in the Bolivian portion of the Central Andean Belt, which is an important tin province that hosts abundant world-class deposits, some of them with high indium content. In this ... -
Mineral chemistry as a tool for optimization the mineral processing in the Central Andean Tin Belt
(European Association of Geochemistry (EAG), 2017)
Conference lecture
Open Access
Covenantee: Universidad Técnica de OruroThe Central Andean tin belt is a metallogenic province, well-known by Sn, Ag, Pb, Zn, and W. However, in the Bolivian sector there is potential for strategic elements, mainly Indium, but still uncertain. In the present ... -
Mineralogical and thermal characterization of borate minerals from Rio Grande deposit, Uyuni (Bolivia)
(2016-08)
Article
Open Access -
Mineralogical and thermal characterization of kaolinitic clays from Terra Alta (Catalonia, Spain)
(2020-02-01)
Article
Open AccessThis research characterizes the kaolinitic clays from Cretaceous–Paleocene lateritic deposits of Terra Alta (south Catalonia) to evaluate their possible applications. The outcrops and quarries belong to the Horta de Sant ... -
Mineralogical characterisation of tantalum ores for the optimization of their processing
(2016-10-19)
Article
Open Access -
Mineralogical characterization of Sn deposits from the Santa Fe District, Bolivia
(2015)
Conference lecture
Open Access
Covenantee: Universidad Técnica de Oruro / Universidad de Castilla-La Mancha / Universitat de BarcelonaThe Sn-Zn-Pb-Ag Japo-Santa Fe-Morococala ore deposit is located in the Central Andean Belt province. The ore mineralization is hosted in a Paleozoic metasedimentary sequence and porphyritic Oligocene-Miocene igneous rocks. ... -
Mineralogía del depósito de Sn del distrito de Santa Fe, Bolivia
(2017-06)
Article
Open Access
Covenantee: Universidad de Castilla-La Mancha / Universitat de Barcelona / Universidad Técnica de OruroEl depósito de Sn-Zn-Pb-Ag de Japo-Santa Fe-Morococala se encuentra en la provincia metalogenética del cinturón Central Andino. La mineralización se encuentra encajada en una secuencia metasedimentaria paleozoica y rocas ... -
Mineralogía del yacimiento VMS de Zn-Cu-Pb-Ag-Au de Tizapa, México
(Sociedad Española de Mineralogía, 2011)
Conference lecture
Open Access -
Mineralogy of the Santa Fe tin deposit, Bolivia
(European Geosciences Union (EGU), 2014)
Conference lecture
Open Access
Covenantee: Universidad Técnica de Oruro / Universidad de Castilla-La Mancha / Universitat de BarcelonaSanta Fe is a Sn-Zn-Pb-Ag ore deposit located in the Oruro district, Central Andean Tin Belt, Bolivia. Mineralization occurs in veins and disseminations. It is hosted in Silurian shales and greywackes. The sedimentary ... -
MINROCIND una eina d’aprenentatge presencial e interactiva dels jaciments de roques i minerals industrials a Catalunya: eina d'aprenentatge presencial i/o interactiu en el àmbit dels ensenyaments de la mineralogia i petrologia aplicada
(Octaedro, 2012)
Conference report
Open AccessEs presenta un nou material didàctic elaborat per a assolir l’aprenentatge de les roques industrials. Consta d’una part física i una altra virtual. La primera està constituïda per una mostra de roca polida i la seva ... -
Modeling the liberation of comminuted scheelite using mineralogical properties
(2019-09-03)
Article
Open AccessIn this paper, the modeling of the liberation of scheelite is presented. A pattern of concentration experiments was performed to investigate the scheelite liberation and distribution density calculation procedure. In this ...
